The Structure of the Atom Answers

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Which statement describes an electron?

It has a positive charge and is located in the nucleus.

It has a positive charge and is located in orbitals around the nucleus.

It has a negative charge and is located in the nucleus.

It has a negative charge and is located in orbitals around the nucleus.

An atom of element Be has four protons, four electrons, and five neutrons. Which element below could be an isotope of this atom?

sodium-10

beryllium-10

boron-9

carbon-9

What is the charge on an electron?

–1

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